diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2013-10-04 14:53:36 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2013-10-09 15:55:31 +1000 |
| commit | 5380e9293b865d88de04de6e5324726d8c5b53c9 (patch) | |
| tree | 5d28c8a6a1cf43a3b2a76f16bd9c59a7fd424c39 /include/drm/drmP.h | |
| parent | bf507d90cf0eecf5495f66f21dbb66e35e9131ae (diff) | |
| download | lwn-5380e9293b865d88de04de6e5324726d8c5b53c9.tar.gz lwn-5380e9293b865d88de04de6e5324726d8c5b53c9.zip | |
drm: Collect per-crtc vblank stuff to a struct
drm_vblank_init() is too ugly. Make it a bit easier on the eye by
collecting all the per-crtc vblank counters, timestamps etc. to
a structure and just allocate an array of those.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/drm/drmP.h')
| -rw-r--r-- | include/drm/drmP.h | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 2d390abbf550..7198febd9d8e 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -1078,6 +1078,19 @@ struct drm_pending_vblank_event { struct drm_event_vblank event; }; +struct drm_vblank_crtc { + wait_queue_head_t queue; /**< VBLANK wait queue */ + struct timeval time[DRM_VBLANKTIME_RBSIZE]; /**< timestamp of current count */ + atomic_t count; /**< number of VBLANK interrupts */ + atomic_t refcount; /* number of users of vblank interruptsper crtc */ + u32 last; /* protected by dev->vbl_lock, used */ + /* for wraparound handling */ + u32 last_wait; /* Last vblank seqno waited per CRTC */ + unsigned int inmodeset; /* Display driver is setting mode */ + bool enabled; /* so we don't call enable more than + once per disable */ +}; + /** * DRM device structure. This structure represent a complete card that * may contain multiple heads. @@ -1153,18 +1166,11 @@ struct drm_device { */ bool vblank_disable_allowed; - wait_queue_head_t *vbl_queue; /**< VBLANK wait queue */ - atomic_t *_vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */ - struct timeval *_vblank_time; /**< timestamp of current vblank_count (drivers must alloc right number of fields) */ + /* array of size num_crtcs */ + struct drm_vblank_crtc *vblank; + spinlock_t vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */ spinlock_t vbl_lock; - atomic_t *vblank_refcount; /* number of users of vblank interruptsper crtc */ - u32 *last_vblank; /* protected by dev->vbl_lock, used */ - /* for wraparound handling */ - bool *vblank_enabled; /* so we don't call enable more than - once per disable */ - unsigned int *vblank_inmodeset; /* Display driver is setting mode */ - u32 *last_vblank_wait; /* Last vblank seqno waited per CRTC */ struct timer_list vblank_disable_timer; u32 max_vblank_count; /**< size of vblank counter register */ |